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Biochem 2 > Unit One Vitamin and Coenzymes > Flashcards

Unit One Vitamin and Coenzymes Flashcards

1
Q

Vitamin precursor of coenzyme A

A

Pantothenate

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2
Q

Coenzyme of biotin

A

Biocytin

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3
Q

Group transfer reaction is

A

Transfer of functional group from one molecule to another

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4
Q

Reaction type of folic acid

A

One carbon transfer, thymine synthesis

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5
Q

Vitamins precursor of biotin

A

Biotin

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6
Q

Group carried by NADH and NADPH

A

Electrons

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7
Q

Example of transferases

A

Nucleoside monophosphate kinase

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8
Q

Group carried by FADH2

A

Electrons

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9
Q

What are the classes of enzymes

A

Oxidoreductase, transferase, hydrolases, lyases, isomerases, ligases

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10
Q

Isomerases type of reaction

A

Isomerization (intramolecular group transfer)

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11
Q

Coenzyme of riboflavin (B2)

A

FAD

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12
Q

Vitamin precursor of FADH2

A

Riboflavin (B2)

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13
Q

Function of ascorbic acid (c)

A

Antioxidant

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14
Q

Group carried of thiamine pyrophosphate

A

Aldehyde

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15
Q

Lyases reaction type

A

Addition or removal of groups to form double bonds

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16
Q

Addition or removal of functional groups reaction is

A

Addition of functional groups to double bonds, or their removal to form double bonds

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17
Q

Isomerization reaction is

A

Rearrangement of atoms to form isomers

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18
Q

Ligases example

A

Aminoacyl-tRNA synthetase

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19
Q

Ligases reaction type

A

Ligation of two substrates at the expense of ATP

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20
Q

FMNH2 group carried

A

Electrons

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21
Q

Coenzyme of folic acid

A

Tetrahydrofolate

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22
Q

Function of quinone (K)

A

Blood coagulation

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23
Q

Group carried tetrahydrofolate

A

One carbon units

24
Q

Vitamin precursor of thiamine pyrophosphate

A

Thiamine (B1)

25
Q

Oxidoreductase reaction is

A

Oxidation-reduction

26
Q

Reaction type of riboflavin (B2)

A

Redox

27
Q

Function of calciferol and calcitriol (D)

A

Regulation of calcium and phosphate metabolism

28
Q

Group carried nucleoside triphosphates

A

Nucleotides

29
Q

Oxidation reduction reaction is

A

Redox, electron transfer

30
Q

Vitamin precursor of tetrahydrofolate

A

Folate

31
Q

Transferases reaction type

A

Group transfer

32
Q

Group carried by coenzyme A

A

Acyl

33
Q

Alpha tocopherol function (E)

A

Antioxidant

34
Q

Hydrolases reaction type

A

Hydrolysis reaction

35
Q

Reaction type of biotin

A

Carboxylation and carboxyl transfer

36
Q

Coenzyme of pyridoxine B6

A

Pyridoxal phosphate

37
Q

Vitamin precursor of NADH and NADPH

A

Nicotinate (niacin)

38
Q

Reaction type of B12

A

Methyl transfer, intramolecular rearrangements

39
Q

Coenzyme of thiamine B1

A

Thiamine pyrophosphate

40
Q

Coenzyme of pantothenic acid

A

Coenzyme A

41
Q

Reaction type of thiamine B1

A

Aldehyde transfer

42
Q

Example of hydrolases

A

Chymotrypsin

43
Q

Coenzyme of B12

A

5’-deoxyadenosyl cobalamin

44
Q

Hydrolytic reaction is

A

Cleavage of bonds by the addition of water

45
Q

Function of retinol (a)

A

Roles in vision, growth and reproduction

46
Q

Ligation requiring ATP cleavage reaction is

A

Formation of covalent bonds

47
Q

Vitamin precursor of FMNH2

A

Riboflavin (B2)

48
Q

Group carried biotin

A

CO2

49
Q

ATP carries what group

A

Phosphoryl

50
Q

Group carried by uridine diphosphate glucose

A

Glucose

51
Q

Isomerases example

A

Triose phosphate isomerases

52
Q

Reaction type of pantothenic acid

A

Acyl group transfer

53
Q

Example of oxidoreductase

A

Lactate dehydrogenase

54
Q

Example of lyases

A

Fumarase

55
Q

Reaction type of pyridoxine B6

A

Group transfer to or from amino acids

Biochem 2 (5 decks)

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